A car-based portable atom gravimeter and its application in field gravity survey
As a novel instrument for measuring absolute gravity, the atom gravimeter has shown high sensitivity and stability in the past three decades. In this work, we report a car-based portable atom gravimeter whose sensitivity is at the level of 1.9mGal/Hz (1 Gal = 0.01 m/s2) both for lab and outdoor meas...
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AIP Publishing LLC
2021
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oai:doaj.org-article:8843a2dfb7ba4a13a0c9ebf08df3eff32021-12-01T18:52:06ZA car-based portable atom gravimeter and its application in field gravity survey2158-322610.1063/5.0068761https://doaj.org/article/8843a2dfb7ba4a13a0c9ebf08df3eff32021-11-01T00:00:00Zhttp://dx.doi.org/10.1063/5.0068761https://doaj.org/toc/2158-3226As a novel instrument for measuring absolute gravity, the atom gravimeter has shown high sensitivity and stability in the past three decades. In this work, we report a car-based portable atom gravimeter whose sensitivity is at the level of 1.9mGal/Hz (1 Gal = 0.01 m/s2) both for lab and outdoor measurements. Its resolution can reach 30 μGal within an integration time of 10 000 s when located in a quiet place. During four months of gravity observation, there is no drift for the measurement result, showing that this car-based gravimeter has a competitive advantage at long term stability. By using this car-based atom gravimeter in the open air, the field gravity measurements with sub-mGal performance have been demonstrated in the mountain gravity survey. According to the gravity measurement results from our car-based atom gravimeter, the density distribution of this mountain is inverted, which is consistent with the result from the geological exploration.Jiong-Yang ZhangWen-Jie XuShi-Da SunYu-Biao ShuQin LuoYuan ChengZhong-Kun HuMin-Kang ZhouAIP Publishing LLCarticlePhysicsQC1-999ENAIP Advances, Vol 11, Iss 11, Pp 115223-115223-7 (2021) |
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DOAJ |
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DOAJ |
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EN |
| topic |
Physics QC1-999 |
| spellingShingle |
Physics QC1-999 Jiong-Yang Zhang Wen-Jie Xu Shi-Da Sun Yu-Biao Shu Qin Luo Yuan Cheng Zhong-Kun Hu Min-Kang Zhou A car-based portable atom gravimeter and its application in field gravity survey |
| description |
As a novel instrument for measuring absolute gravity, the atom gravimeter has shown high sensitivity and stability in the past three decades. In this work, we report a car-based portable atom gravimeter whose sensitivity is at the level of 1.9mGal/Hz (1 Gal = 0.01 m/s2) both for lab and outdoor measurements. Its resolution can reach 30 μGal within an integration time of 10 000 s when located in a quiet place. During four months of gravity observation, there is no drift for the measurement result, showing that this car-based gravimeter has a competitive advantage at long term stability. By using this car-based atom gravimeter in the open air, the field gravity measurements with sub-mGal performance have been demonstrated in the mountain gravity survey. According to the gravity measurement results from our car-based atom gravimeter, the density distribution of this mountain is inverted, which is consistent with the result from the geological exploration. |
| format |
article |
| author |
Jiong-Yang Zhang Wen-Jie Xu Shi-Da Sun Yu-Biao Shu Qin Luo Yuan Cheng Zhong-Kun Hu Min-Kang Zhou |
| author_facet |
Jiong-Yang Zhang Wen-Jie Xu Shi-Da Sun Yu-Biao Shu Qin Luo Yuan Cheng Zhong-Kun Hu Min-Kang Zhou |
| author_sort |
Jiong-Yang Zhang |
| title |
A car-based portable atom gravimeter and its application in field gravity survey |
| title_short |
A car-based portable atom gravimeter and its application in field gravity survey |
| title_full |
A car-based portable atom gravimeter and its application in field gravity survey |
| title_fullStr |
A car-based portable atom gravimeter and its application in field gravity survey |
| title_full_unstemmed |
A car-based portable atom gravimeter and its application in field gravity survey |
| title_sort |
car-based portable atom gravimeter and its application in field gravity survey |
| publisher |
AIP Publishing LLC |
| publishDate |
2021 |
| url |
https://doaj.org/article/8843a2dfb7ba4a13a0c9ebf08df3eff3 |
| work_keys_str_mv |
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